National Flooring Equipment 5280 Series Service Manual Download Page 8 | Manualshive

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Troubleshooting Guide

Problem

Cause

Solution

No forward movement.

Damaged belt.

Remove front cover plate and inspect belt.

Damaged speed control valve.

Inspect speed control valve. Turn counter-clockwise to
open valve.

Motor shuts off or won’t start.

Inspect capacitor or start switch.

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Summary of Contents for 5280 Series

Page 1: ...Read Manual Before Servicing Machine 402972 Rev D 5280 SELF PROPELLED SCRAPER SERVICE MANUAL...

Page 2: ......

Page 3: ...c Fluid 9 Inspection of Internal Parts 9 Tank Removal 9 Control Valve Replacement 10 Speed Control Replacement 10 Pressure Valve Replacement 10 Forward Switch Replacement 10 Power Cord 10 Parts List a...

Page 4: ...0 Hz Silver Vein 5280 23XXXX 120V 60 Hz Silver Vein International 5280 11XXXX 230V 50 Hz Silver Vein 5280 13XXXX 230V 50 Hz Silver Vein 5280 20XXXX 110V 50 Hz Silver Vein 5280 26XXXX 230V 50 Hz Silver...

Page 5: ...tooling Remove tooling when ma FKLQH LV QRW LQ XVH DQG RU ORZHU FXWWLQJ KHDG WR WKH RRU Do not force equipment Equipment will perform best at the rate for which it was designed Excessive force only c...

Page 6: ...EPRODUCTIVE TOXICITY OR OTHER HARMFUL EFFECTS CONTROL DUST MIST AND FUMES AT THE SOURCE WHERE POSSIBLE IN THIS REGARD USE GOOD WORK PRACTICES AND FOLLOW THE RECOMMENDATIONS OF THE MANUFACTURER SUPPLIE...

Page 7: ...GH LWK WKH H FHSWLRQ RI WKRVH FRPSULVHG SULPDULO RI ZDWHU DOO K GUDXOLF XLG LV DPPDEOH LQFOXGLQJ PDQ UH UHVLVWDQW K GUDXOLF XLGV ZKHQ H SRVHG WR WKH SURSHU FRQGLWLRQV HDNLQJ SUHV VXUL HG K GUDXOLF XLG...

Page 8: ...tion No forward movement Damaged belt Remove front cover plate and inspect belt Damaged speed control valve Inspect speed control valve Turn counter clockwise to open valve Motor shuts off or won t st...

Page 9: ...QH KDV D VWUDLQLQJ V VWHP EXW DGG XLG WKURXJK D OWHU RU IXQQHO ZLWK D VFUHHQ WR NHHS XLG FOHDQ INSPECTION OF INTERNAL PARTS Visual inspection of internal parts can be done without draining tank 1 Remo...

Page 10: ...CONTROL REPLACEMENT 1 Use 3 32 Allen wrench to remove metal knob 2 Use a 1 socket to remove and replace speed control valve 3 Re install metal knob PRESSURE VALVE REPLACEMENT This has been factory set...

Page 11: ...DESCRIPTION QTY EXTERNAL 11 3 10 16 15 6 1 4 9 8 2 12 14 7 13 5 ADDITIONAL PARTS NOT SHOWN 1 74631 BOLT HEX FLANGE BOLT M6 16 3 2 5280 9 SPACER WHEEL 2 3 73315 BOLT FLAT HEAD SOCKET 5 16 18X1 2 4 746...

Page 12: ...4 11 5280 113 PUMP HYDRAULIC 1 12 6280 113A KEY HYDRAULIC PUMP NOT SHOWN 1 13 5280 118 FITTING 90 DEGREE 1 14 5280 129 ECCENTRIC 1 15 5280 132C PULLEY PUMP 1 16 73903 KEY 3 16X3 16X2 1 4 1 17 5280 13...

Page 13: ...SE HYDRAULIC 1 4 X 32 F 90F 1 16 5700 76 HOSE HYDRAULIC 3 8 X 26 F F 1 17 6280 207 SWITCH ON OFF 1 18 6280 215 VALVE BLOCK ASSEMBLY 1 19 73002 WASHER SPLIT LOCK 1 4 4 20 73005 SCREW HEX HEAD CAP 1 4 2...

Page 14: ...CORD HANDLE 200V INTERNATIONAL ONLY 1 3 5280 172A LEVER HANDLE 1 4 74650 BOLT HEXFLANGEM10 25 5 73502 STRAIN RELIEF STRAIGHT 1 2 INCH 3376 5686 2 6 401438 PLUG MALE EU1 16P 250V 16A EUROPE INTERNATION...

Page 15: ...TED 3 8 16 4 4 73217 SCREW SOCKET HEAD CAP LOW 3 8 16 X 3 4 4 PART DESCRIPTION QTY CUTTING HEAD HYDRAULIC TANK 1 6 4 7 3 2 2 2 2 2 3 4 3 4 1 3 3 4 4 LABELS NOT SHOWN 1 402008 LABEL 5280 1 2 402463 LAB...

Page 16: ...74630 Bolt Hex Head Cap M6 12 8 8 9 2 403806 Plate Handle Top 1 3 403795 Cover Handle Body CE 1 4 403817 Switch Safety 230V 50Hz 1 5 401438 Plug Male EU1 16P 250V 16A Europe 1 6 403797 Screw Phillips...

Page 17: ...WIRING 110V FEMALE PLUG MALE PLUG GREEN BLACK WHITE ON OFF SWITCH 4L 5L 1N 2N PLUG U1 U3 Z8 U2 U4 Z5 MOTOR GREEN YELLOW BLUE BROWN BLUE BROWN GREEN YELLOW 5280 MACHINE WIRING 220V FEMALE PLUG MALE PL...

Page 18: ...Parts List and Diagrams 18 HYDRAULICS...

Page 19: ...HU RU QRW FDXVHG E RU UHVXOWLQJ IURP WKH QHJOLJHQFH RI VHOOHU DQG RU WKH PDQX IDFWXUHU RI WKH SURGXFW XQOHVV VSHFL FDOO SURYLGHG KHUHLQ 7KLV ZDUUDQW VKDOO QRW DSSO WR DQ SURGXFWV RU SRUWLRQV WKHUH RI...

Page 20: ...9250 Xylon Avenue N Minneapolis MN 55445 U S A Toll free 800 245 0267 Phone 763 315 5300 Fax 800 648 7124 Fax 763 535 8255 Web Site www nationalequipment com E Mail info nationalequipment com...

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